| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Erman Bryan A | Co-President,CLO & Head of M&A | 5400 LBJ FREEWAY, SUITE 1500, DALLAS | /s/ Bryan A. Erman, by Cale L. Curtin as attorney-in-fact | 18 Feb 2026 | 0002015754 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTDR | Common Stock | Tax liability | $50,190 | -1,050 | -1.3% | $47.80 | 78,566 | 16 Feb 2026 | Direct | F1, F2 |
| holding | MTDR | Common Stock | 4,250 | 14 Feb 2026 | Represents shares held of record by the reporting person's 401(k) account | ||||||
| holding | MTDR | Common Stock | 2,400 | 14 Feb 2026 | Represents shares held of record by the reporting person's Individual Retirement Account |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTDR | Phantom Units | Options Exercise | $0 | -6,000 | -33% | $0.000000 | 12,000 | 14 Feb 2026 | Common Stock | 6,000 | Direct | F3, F4 | |
| transaction | MTDR | Phantom Units | Options Exercise | $0 | -5,000 | -50% | $0.000000 | 5,000 | 14 Feb 2026 | Common Stock | 5,000 | Direct | F3, F5 | |
| transaction | MTDR | Phantom Units | Award | $0 | +35,000 | $0.000000 | 35,000 | 17 Feb 2026 | Common Stock | 35,000 | Direct | F6, F7 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 2,667 shares of restricted stock that were granted to the reporting person on February 16, 2023. No shares were sold by the reporting person to satisfy this tax liability. |
| F2 | Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3. |
| F3 | Each phantom unit is the economic equivalent of one share of the Issuer's common stock. As required by the terms of the award, upon the February 14, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $47.80 per unit based upon the closing price of the Issuer's common stock on February 13, 2026. No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction. |
| F4 | The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 14, 2025 |
| F5 | The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 14, 2024. |
| F6 | Each phantom unit is the economic equivalent of one share of the Issuer's common stock. |
| F7 | The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant. |